PerformanceTestRunner.timelinePropertyFormatters={children:'formatAsTypeName',endTime:'formatAsTypeName',requestId:'formatAsTypeName',startTime:'formatAsTypeName',stackTrace:'formatAsTypeName',url:'formatAsURL',fileName:'formatAsURL',scriptName:'formatAsTypeName',scriptId:'formatAsTypeName',usedHeapSizeDelta:'skip',id:'formatAsTypeName',timerId:'formatAsTypeName',layerId:'formatAsTypeName',frameId:'formatAsTypeName',frame:'formatAsTypeName',page:'formatAsTypeName',encodedDataLength:'formatAsTypeName',identifier:'formatAsTypeName',clip:'formatAsTypeName',root:'formatAsTypeName',backendNodeId:'formatAsTypeName',nodeId:'formatAsTypeName',rootNode:'formatAsTypeName',finishTime:'formatAsTypeName',thread:'formatAsTypeName',allottedMilliseconds:'formatAsTypeName',timedOut:'formatAsTypeName',networkTime:'formatAsTypeName',timing:'formatAsTypeName',streamed:'formatAsTypeName',producedCacheSize:'formatAsTypeName',consumedCacheSize:'formatAsTypeName'};PerformanceTestRunner.InvalidationFormatters={_tracingEvent:'skip',cause:'formatAsInvalidationCause',frame:'skip',invalidatedSelectorId:'skip',invalidationList:'skip',invalidationSet:'skip',linkedRecalcStyleEvent:'skip',linkedLayoutEvent:'skip',nodeId:'skip',paintId:'skip',startTime:'skip'};TestRunner.formatters.formatAsInvalidationCause=function(cause){if(!cause)
return'<undefined>';let stackTrace;if(cause.stackTrace&&cause.stackTrace.length){stackTrace=TestRunner.formatters.formatAsURL(cause.stackTrace[0].url)+':'+(cause.stackTrace[0].lineNumber+1);}
return'{reason: '+cause.reason+', stackTrace: '+stackTrace+'}';};PerformanceTestRunner.createTracingModel=function(events){const model=new SDK.TracingModel(new Bindings.TempFileBackingStorage('tracing'));model.addEvents(events);model.tracingComplete();return model;};PerformanceTestRunner.tracingModel=function(){return UI.panels.timeline._performanceModel.tracingModel();};PerformanceTestRunner.invokeWithTracing=function(functionName,callback,additionalCategories,enableJSSampling){let categories='-*,disabled-by-default-devtools.timeline*,devtools.timeline,'+SDK.TracingModel.TopLevelEventCategory;if(additionalCategories)
categories+=','+additionalCategories;const timelinePanel=UI.panels.timeline;const timelineController=PerformanceTestRunner.timelineController();timelinePanel._timelineController=timelineController;timelineController._startRecordingWithCategories(categories,enableJSSampling).then(tracingStarted);function tracingStarted(){timelinePanel._recordingStarted();TestRunner.callFunctionInPageAsync(functionName).then(onPageActionsDone);}
function onPageActionsDone(){PerformanceTestRunner.runWhenTimelineIsReady(callback);timelineController.stopRecording();}};PerformanceTestRunner.performanceModel=function(){return UI.panels.timeline._performanceModel;};PerformanceTestRunner.timelineModel=function(){return PerformanceTestRunner.performanceModel().timelineModel();};PerformanceTestRunner.timelineFrameModel=function(){return PerformanceTestRunner.performanceModel().frameModel();};PerformanceTestRunner.createPerformanceModelWithEvents=function(events){const tracingModel=new SDK.TracingModel(new Bindings.TempFileBackingStorage('tracing'));tracingModel.addEvents(events);tracingModel.tracingComplete();const performanceModel=new Timeline.PerformanceModel();performanceModel.setTracingModel(tracingModel);return performanceModel;};PerformanceTestRunner.timelineController=function(){const performanceModel=new Timeline.PerformanceModel();UI.panels.timeline._pendingPerformanceModel=performanceModel;return new Timeline.TimelineController(TestRunner.tracingManager,performanceModel,UI.panels.timeline);};PerformanceTestRunner.runWhenTimelineIsReady=function(callback){TestRunner.addSniffer(UI.panels.timeline,'loadingComplete',()=>callback());};PerformanceTestRunner.startTimeline=function(){const panel=UI.panels.timeline;panel._toggleRecording();return TestRunner.addSnifferPromise(panel,'_recordingStarted');};PerformanceTestRunner.stopTimeline=function(){return new Promise(resolve=>{PerformanceTestRunner.runWhenTimelineIsReady(resolve);UI.panels.timeline._toggleRecording();});};PerformanceTestRunner.evaluateWithTimeline=async function(actions){await PerformanceTestRunner.startTimeline();await TestRunner.evaluateInPageAnonymously(actions);await PerformanceTestRunner.stopTimeline();};PerformanceTestRunner.invokeAsyncWithTimeline=async function(functionName){await PerformanceTestRunner.startTimeline();await TestRunner.callFunctionInPageAsync(functionName);await PerformanceTestRunner.stopTimeline();};PerformanceTestRunner.performActionsAndPrint=async function(actions,typeName,includeTimeStamps){await PerformanceTestRunner.evaluateWithTimeline(actions);PerformanceTestRunner.printTimelineRecordsWithDetails(typeName);if(includeTimeStamps){TestRunner.addResult('Timestamp records: ');PerformanceTestRunner.printTimestampRecords(typeName);}
TestRunner.completeTest();};PerformanceTestRunner.printTimelineRecords=function(name){for(const event of PerformanceTestRunner.timelineModel().inspectedTargetEvents()){if(event.name===name)
PerformanceTestRunner.printTraceEventProperties(event);}};PerformanceTestRunner.printTimelineRecordsWithDetails=function(name){for(const event of PerformanceTestRunner.timelineModel().inspectedTargetEvents()){if(name===event.name)
PerformanceTestRunner.printTraceEventPropertiesWithDetails(event);}};PerformanceTestRunner.walkTimelineEventTree=function(callback){const performanceModel=PerformanceTestRunner.performanceModel();const view=new Timeline.EventsTimelineTreeView(UI.panels.timeline._filters,null);view.setModel(performanceModel);const selection=Timeline.TimelineSelection.fromRange(performanceModel.timelineModel().minimumRecordTime(),performanceModel.timelineModel().maximumRecordTime());view.updateContents(selection);PerformanceTestRunner.walkTimelineEventTreeUnderNode(callback,view._currentTree,0);};PerformanceTestRunner.walkTimelineEventTreeUnderNode=function(callback,root,level){const event=root.event;if(event)
callback(event,level);for(const child of root.children().values())
PerformanceTestRunner.walkTimelineEventTreeUnderNode(callback,child,(level||0)+1);};PerformanceTestRunner.printTimestampRecords=function(typeName){const dividers=PerformanceTestRunner.timelineModel().eventDividers();for(const event of dividers){if(event.name===typeName)
PerformanceTestRunner.printTraceEventProperties(event);}};PerformanceTestRunner.forAllEvents=function(events,callback){const eventStack=[];for(const event of events){while(eventStack.length&&eventStack.peekLast().endTime<=event.startTime)
eventStack.pop();callback(event,eventStack);if(event.endTime)
eventStack.push(event);}};PerformanceTestRunner.printTraceEventProperties=function(traceEvent){TestRunner.addResult(traceEvent.name+' Properties:');const data=traceEvent.args['beginData']||traceEvent.args['data'];const frameId=data&&data['frame'];const object={data:traceEvent.args['data']||traceEvent.args,endTime:traceEvent.endTime||traceEvent.startTime,frameId:frameId,stackTrace:TimelineModel.TimelineData.forEvent(traceEvent).stackTrace,startTime:traceEvent.startTime,type:traceEvent.name};for(const field in object){if(object[field]===null||object[field]===undefined)
delete object[field];}
TestRunner.addObject(object,PerformanceTestRunner.timelinePropertyFormatters);};PerformanceTestRunner.printTraceEventPropertiesWithDetails=function(event){PerformanceTestRunner.printTraceEventProperties(event);const details=Timeline.TimelineUIUtils.buildDetailsTextForTraceEvent(event,SDK.targetManager.mainTarget(),new Components.Linkifier());TestRunner.addResult(`Text details for ${event.name}: ${details}`);if(TimelineModel.TimelineData.forEvent(event).warning)
TestRunner.addResult(`${event.name} has a warning`);};PerformanceTestRunner.findTimelineEvent=function(name,index){return PerformanceTestRunner.timelineModel().mainThreadEvents().filter(e=>e.name===name)[index||0];};PerformanceTestRunner.findChildEvent=function(events,parentIndex,name){const endTime=events[parentIndex].endTime;for(let i=parentIndex+1;i<events.length&&(!events[i].endTime||events[i].endTime<=endTime);++i){if(events[i].name===name)
return events[i];}
return null;};PerformanceTestRunner.dumpFrame=function(frame){const fieldsToDump=['cpuTime','duration','startTime','endTime','id','mainThreadFrameId','timeByCategory','other','scripting','painting','rendering','committedFrom','idle'];function formatFields(object){const result={};for(const key in object){if(fieldsToDump.indexOf(key)<0)
continue;let value=object[key];if(typeof value==='number')
value=Number(value.toFixed(7));else if(typeof value==='object'&&value)
value=formatFields(value);result[key]=value;}
return result;}
TestRunner.addObject(formatFields(frame));};PerformanceTestRunner.dumpInvalidations=function(recordType,index,comment){const event=PerformanceTestRunner.findTimelineEvent(recordType,index||0);TestRunner.addArray(TimelineModel.InvalidationTracker.invalidationEventsFor(event),PerformanceTestRunner.InvalidationFormatters,'',comment);};PerformanceTestRunner.dumpFlameChartProvider=function(provider,includeGroups){const includeGroupsSet=includeGroups&&new Set(includeGroups);const timelineData=provider.timelineData();const stackDepth=provider.maxStackDepth();const entriesByLevel=new Multimap();for(let i=0;i<timelineData.entryLevels.length;++i)
entriesByLevel.set(timelineData.entryLevels[i],i);for(let groupIndex=0;groupIndex<timelineData.groups.length;++groupIndex){const group=timelineData.groups[groupIndex];if(includeGroupsSet&&!includeGroupsSet.has(group.name))
continue;const maxLevel=(groupIndex+1<timelineData.groups.length?timelineData.groups[groupIndex+1].firstLevel:stackDepth);TestRunner.addResult(`Group: ${group.name}`);for(let level=group.startLevel;level<maxLevel;++level){TestRunner.addResult(`Level ${level - group.startLevel}`);const entries=entriesByLevel.get(level);for(const index of entries){const title=provider.entryTitle(index);const color=provider.entryColor(index);TestRunner.addResult(`${title} (${color})`);}}}};PerformanceTestRunner.dumpTimelineFlameChart=function(includeGroups){const provider=UI.panels.timeline._flameChart._mainDataProvider;TestRunner.addResult('Timeline Flame Chart');PerformanceTestRunner.dumpFlameChartProvider(provider,includeGroups);};PerformanceTestRunner.loadTimeline=function(timelineData){const promise=new Promise(fulfill=>PerformanceTestRunner.runWhenTimelineIsReady(fulfill));UI.panels.timeline._loadFromFile(new Blob([timelineData],{type:'text/plain'}));return promise;};TestRunner.deprecatedInitAsync(`
  function wrapCallFunctionForTimeline(f) {
    let script = document.createElement('script');
    script.textContent = '(' + f.toString() + ')()\\n//# sourceURL=wrapCallFunctionForTimeline.js';
    document.body.appendChild(script);
  }

  function generateFrames(count) {
    let promise = Promise.resolve();

    for (let i = count; i > 0; --i)
      promise = promise.then(changeBackgroundAndWaitForFrame.bind(null, i));

    return promise;

    function changeBackgroundAndWaitForFrame(i) {
      document.body.style.backgroundColor = (i & 1 ? 'rgb(200, 200, 200)' : 'rgb(240, 240, 240)');
      return waitForFrame();
    }
  }

  function waitForFrame() {
    let callback;
    let promise = new Promise(fulfill => callback = fulfill);

    if (window.testRunner)
      testRunner.capturePixelsAsyncThen(callback);
    else
      window.requestAnimationFrame(callback);

    return promise;
  }
`);;PerformanceTestRunner.timelineData=function(){return 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